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I am a retired person interested in Sciences. I am very glad in joining the community of Socratic.org.

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Level 26 in Trigonometry Level 22 in Physics Level 19 in Chemistry Level 18 in Algebra Level 17 in Geometry Level 15 in Precalculus Level 14 in Organic Chemistry I Level 12 in Calculus Level 3 in Statistics Level 2 in Prealgebra
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